1. If you need to support protocols other than IP in a large network, what would you do?
2. When would you consider breaking the hierarchy of a network design by linking distribution networks directly?
3. ATM is an ideal technology to grow a ring backbone to a partial mesh, and then to a full mesh. Does this make it a better choice for a backbone technology than point-to-point links? Why or why not?
4. Could you use different routers in your access, distribution, and core networks?